#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {
    int a, b, i, count;
    while(1)
    {
        scanf("%d %d", &a, &b);
        if(a > b)
            break;
        count = 0;
        for(i=a ; i <= b ; i++)
        {
            if(i % 3 == 0 && i % 9 != 0)
            {
                count++;
                if(count == 1)
                    printf("%d", i);
                else
                    printf(" %d", i);
            }
        }
        if(count == 0)
            printf("-1");
        printf("\n");
    }

	return 0;
}